APA Style

Buttle, F. (2007). Customer Relationship Management : Concept and Tools = Manajemen Hubungan Pelanggan (-). Malang: Bayu Media.

MLA Style

Buttle, Francis. "Customer Relationship Management : Concept and Tools = Manajemen Hubungan Pelanggan". - Malang: Bayu Media, 2007. Koleksi Buku Teks.